That’s actually really sad. Horseshoes get about 2ft long and round and weigh about 10lbs. What are you gonna do with it when it can’t move?This one also cracks me up. My horseshoe crab, Lady, cant get by one part of my rock structure. Takes her a minute to get around it. She does this all day long instead of going around. I mean its only a 300 gallon tank!!! Lol